EP 0259145 A3 19880727 - FIRE RESISTANT SEAL FIRE RESISTANT SEAL
Title (en)
FIRE RESISTANT SEAL FIRE RESISTANT SEAL
Publication
Application
Priority
US 90366386 A 19860904
Abstract (en)
[origin: US4702500A] An elastomeric seal for incorporation into a pipe coupling includes a fire-ring which acts to retain a residual portion of a radial flange of the seal in sealing relationship with the pipe ends in the event of thermal destruction of the remainder of the seal.
IPC 1-7
IPC 8 full level
F16J 15/12 (2006.01); F16J 15/06 (2006.01); F16L 17/04 (2006.01); F16L 21/02 (2006.01); F16L 25/00 (2006.01); F16L 58/18 (2006.01)
CPC (source: EP KR US)
F16J 15/065 (2013.01 - EP US); F16L 17/04 (2013.01 - EP US); F16L 17/06 (2013.01 - KR); F16L 25/00 (2013.01 - EP US); F16L 58/185 (2013.01 - EP US); Y10S 277/931 (2013.01 - EP US); Y10S 285/91 (2013.01 - EP US)
Citation (search report)
- [A] US 3869132 A 19750304 - TAYLOR DUDLEY D, et al
- [A] GB 315550 A 19290718 - VICTAULIC COMPANY LTD, et al
- [A] US 2013267 A 19350903 - DAMSEL WILLIAM B
- [A] DE 1675213 A1 19701210 - CORNING GLASS WORKS
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
US 4702500 A 19871027; AU 594811 B2 19900315; AU 7796387 A 19880310; EP 0259145 A2 19880309; EP 0259145 A3 19880727; JP S6367488 A 19880326; KR 880004267 A 19880602; MX 160018 A 19891107
DOCDB simple family (application)
US 90366386 A 19860904; AU 7796387 A 19870904; EP 87307725 A 19870902; JP 22218087 A 19870904; KR 870009755 A 19870903; MX 811887 A 19870904